ROI Calculator
Calculate return on investment with detailed analysis, charts, and scenario comparisons.
โ Free ยท No sign-up ยท Works in browserLast updated: April 2026 ยท Tested on Chrome, Firefox, Edge, SafariUse ROI Calculator
How to Use ROI Calculator
Choose a tab: "Simple ROI" for a one-shot calculation, "Annualized Growth" to factor in how many years the investment ran, or "Compare Scenarios" to evaluate up to three options side-by-side.
Enter your Initial Investment โ the total amount of capital you put in before any gains or fees (cost basis).
Enter the Final Value or total return โ the current worth or the amount the investment produced in total including the original capital.
Optionally enter the investment period in years to unlock the Annualized ROI (CAGR), which normalizes returns across different holding periods for a fair comparison.
Click Calculate to see ROI %, net profit or loss, total return, annualized rate, a visual pie chart breakdown, and โ in the Annualized tab โ a full year-by-year growth schedule.
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About ROI Calculator
The AWE-OS ROI Calculator gives you a complete picture of any investment's performance across three modes. Simple ROI delivers the headline percentage in one click. Annualized Growth (CAGR) normalizes returns across time so you can compare a 2-year trade against a 10-year fund on equal terms. Scenario Comparison lets you evaluate up to three investment options side-by-side in a bar chart and table, automatically flagging the winner.
All three modes use industry-standard formulas. Simple ROI is (Final โ Initial) รท Initial ร 100. Annualized ROI uses the compound growth formula (Final รท Initial)^(1 รท Years) โ 1 โ the same calculation behind CAGR figures published by every major fund. The year-by-year schedule in the Annualized tab applies this constant rate forward from your start value, giving you a model of how the portfolio compounds if growth is steady.
Charts are rendered using Recharts directly in your browser. No data leaves your device โ all calculations happen locally in JavaScript. This means you can model sensitive financial scenarios privately, without any server logs or account creation. The tool is designed for investors, business analysts, marketers, and students who need fast, honest ROI numbers without spreadsheet setup.
Keep in mind that ROI as calculated here is nominal โ it does not automatically adjust for inflation, taxes, or transaction fees. For a more conservative estimate, reduce your final value by the applicable tax amount and any management fees before entering it. To adjust for inflation, deflate the final value using the CPI index for the holding period. These adjustments give you a real, after-cost ROI โ the number that actually matters for comparing investment vehicles.
Honest limitation: Does not account for taxes, inflation, or transaction costs unless you include them in your inputs.
Tips & Best Practices for ROI Calculator
- ๐กAlways use CAGR (Compound Annual Growth Rate) โ also called Annualized ROI โ when comparing investments held for different time periods. Simple ROI without normalising for time is misleading for multi-year comparisons.
- ๐กFor real estate ROI calculations, include all acquisition costs in your initial investment: stamp duty (5-7%), registration fees (1%), brokerage (1-2%), and renovation/interior costs โ these significantly reduce the effective ROI.
- ๐กRun the multi-investment comparison for at least 4 asset classes simultaneously: equity (Nifty 50 index fund), gold, PPF/FD, and real estate using your actual purchase dates and values to see which has truly performed best for you.
- ๐กFor stock investments, add dividends received to the current value in your ROI calculation โ total return including dividends is higher than price appreciation alone, especially for dividend-yield stocks like FMCG, utilities, and PSU banks.
- ๐กWhen calculating ROI on a business investment, include the opportunity cost โ the return you could have earned investing the same capital in a safe instrument like an FD or PPF. An investment that earns 8% CAGR is not creating value if an FD earns 7.5%.
- ๐กAdjust ROI for inflation to get the real (inflation-adjusted) return โ a 10% CAGR investment in an environment of 6% inflation produces a real return of only about 3.8%, not 10%.
Common Mistakes to Avoid with ROI Calculator
- โComparing investments using simple ROI without normalising for time โ a 100% ROI over 5 years is a 14.9% annual CAGR, while a 100% ROI over 10 years is only 7.2% annual CAGR. Always convert to CAGR for fair comparison.
- โForgetting to include transaction costs in the initial investment base โ brokerage, STT, and GST on equity trades reduce your effective purchase price and therefore reduce actual ROI from the stated purchase price.
- โIgnoring taxation on capital gains when comparing asset classes โ long-term capital gains from equity are taxed at 12.5% above โน1.25 lakh per year, while PPF and Sukanya Samriddhi returns are tax-free. After-tax ROI is what matters.
- โUsing the CAGR from a brief exceptional period as the expected long-term return โ Nifty 50 returned 20%+ CAGR in some 3-year periods. Using that as a planning assumption for the next 20 years leads to significant under-saving.
- โTreating ROI as the sole investment decision criterion โ volatility (standard deviation), maximum drawdown, and correlation with other assets in your portfolio are equally important factors that ROI alone does not capture.
- โNot accounting for reinvested dividends in mutual fund NAV โ mutual fund NAVs for growth option already include reinvested dividends, while dividend option NAVs do not. Compare like-for-like by using growth option NAVs.
Frequently Asked Questions
What is ROI?
What is Annualized ROI (CAGR)?
What is the difference between ROI and annualized ROI?
Can ROI be negative?
How do I use the Scenario Comparison tab?
Does this calculator account for inflation, taxes, or fees?
Is the calculator suitable for business investments and marketing campaigns?
Built & maintained by Team AWE-OS
This tool is developed in-house and manually re-tested on Chrome, Firefox, Edge, and Safari after every update, following our tool testing policy. Found a bug? Tell us โ fixes are usually shipped within days.